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An electron moving parallel to the x axis has an initial speed of 3.70 X 10^6 m/s at the origin. Its speed is reduced to 1.40 X 10^5 m/s at the point x = 2.00 cm. (a) Calculate the electric potential difference between the origin and that point. (b) Which point is at the highest potential?
A student records the temperature of the gas is as he increases the pressure inside the container and plots the data in the graph shown below, How many moles of gas are inside the container
an initially uncharged electroscope is polarized by bringing a negatively charged rubber rod near the bulb, how many electrons are on the leaf end
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.47 m/s. The car is a distance d away, What is the maximum possible value for d
A particle of ionizing radiation creates 4900 ion pairs in the gas inside a Geiger tube as it passes through. What minimum energy was deposited
A plastic bag is filled with nitrogen at atmospheric pressure and 27.0 oC. How large a volume of nitrogen (in m3) is required
A block with a mass of 1.45kg is pushed up an incline plane with a force in direction of the incline. How much work is necessary to push the block up the incline to a height of 2.08m
if the distance between two charged particles is quadrupled the magnitude of the electric force each exerts on the
You have a 85.5-cm-long copper rod with a rectangular cross section of dimensions 5.21 cm by 7.45 cm. You maintain the ends of the rod at 48.7°C and 85.1°C, but otherwise insulate the rod from its environment. Find the heat current through the rod..
An electric field given by = 6.0· - 3.9(y2 + 3.5)· pierces a Gaussian cube of edge length 3.2 m and positioned as shown in Fig. 23-56. (The magnitude is in newtons per coulomb and the position x is in meters.) What net charge (in Coulombs) is enclose..
The three ropes are tied to a small, very light ring. Two of these ropes are anchored to walls at right angles with tensions T1 = 35 N andT2 = 70 N. What are the magnitude and direction of the tension Tvec3 in third rope.
A 56.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.24 102 m/s from the top of a cliff 146 m above level ground, What is the initial total mechanical energy of the projectile
A collimated gamma ray beam consists of equal numbers of 0.1 MeV and 1.0 MeV photons. If the beam enters a 5 cm thick lead shield, what is the relative portion of 1 MeV photons to 0.1 MeV photons in the emergent beam? State the source of all values u..
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